Primary Analysis of Different Incidence Propagation on Dynamic Response of Underground Rock Cavern under Earthquake

马行东; 李海波

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Primary Analysis of Different Incidence Propagation on Dynamic Response of Underground Rock Cavern under Earthquake

更新时间：2026-01-22

- Primary Analysis of Different Incidence Propagation on Dynamic Response of Underground Rock Cavern under Earthquake
- Issue 1, Pages: 23-25(2007)
- 作者机构：
  
  1. 中国水电顾问集团成都勘测设计研究院,四川,成都,610072
  2. 中国科学院武汉岩土力学研究所
  3. ,湖北,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： U451.2
- Published：2007
- 稿件说明：
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[1]马行东,李海波.地震波入射方向对地下岩体洞室动态响应的初步分析[J].水力发电,2007(01):23-25.

马行东, 李海波. Primary Analysis of Different Incidence Propagation on Dynamic Response of Underground Rock Cavern under Earthquake[J]. 2007, (1): 23-25.
[1]马行东,李海波.地震波入射方向对地下岩体洞室动态响应的初步分析[J].水力发电,2007(01):23-25. DOI：

马行东, 李海波. Primary Analysis of Different Incidence Propagation on Dynamic Response of Underground Rock Cavern under Earthquake[J]. 2007, (1): 23-25. DOI：

摘要

利用FLAC3D初步分析了不同埋深、不同地应力条件下以及同一埋深、同一地应力条件下地震波的入射方向对地下岩体洞室的影响。分析结果表明

在埋深为200 m时

侧压系数为2和侧压系数为2

不同埋深两种条件下

位移响应均随入射角的增大而先减小后增大;在同一埋深、不同地应力条件下

当侧压系数<1

随地应力和入射角的增大

位移先增大后减小

侧压系数>1时

相反。

Abstract

The primary analysis of different incidence propagation on dynamic response of underground rock cavern under earthquake is analyzed in the present paper by finite-difference program FLAC30.It is reported that the cavern displacement will decrease then increase with the increasing incidence angle（different incidence propagation from horizontal propagation to vertical propagation）

and the influences of cavern incidence angle tend to decrease with the increasing depths and in-situ stress side pressure coefficient.In addition

the response of cavern in orthogonal is larger than that of non-orthogonal

and the response of cavern under directly wave is larger than that of lee wave.

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地震工程学[M]. 地震出版社 , 胡聿贤著, 1988

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